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Finding the Fourth Proportional to 18,192.33, 27,300.15 and 11,964.87

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Solution

The fourth proportional to 18,192.33, 27,300.15 and 11,964.87 is: 17,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.33 : 27,300.15 = 11,964.87 : x
  2. Step 2: Convert to fraction form
    18,192.33/27,300.15 = 11,964.87/x
  3. Step 3: Cross multiply
    18,192.33x = 27,300.15 × 11,964.87
  4. Step 4: Simplify right side
    18,192.33x = 326,642,745.73
  5. Step 5: Solve for x
    x = 326,642,745.73/18,192.33
  6. Step 6: Final answer
    x = 17,954.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.